i.dat
iċ
PRONI
Source: https://bosworthtoller.com/20420Attested in Aelfric's Colloquy 2, Exeter Book Riddle 47, Exeter Book Riddle 51, Aelfric's Colloquy 3, Aelfric's Colloquy 4, Exeter Book Riddle 5
originates from: PGmc *ek "I" through pgmc-to-oe(source: Kroonen 2013:116)